1// { dg-options "-std=gnu++11" }
2
3// Copyright (C) 2012 Free Software Foundation
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20// 22.3.3.2.2  String conversions
21
22#include <locale>
23#include <string>
24#include <testsuite_hooks.h>
25
26template<typename Elem>
27struct cvt : std::codecvt<Elem, char, std::mbstate_t> { };
28
29template<typename Elem>
30using str_conv = std::wstring_convert<cvt<Elem>, Elem>;
31
32using std::string;
33using std::u16string;
34using std::u32string;
35
36// test conversion errors, with and without error strings
37
38void test01()
39{
40  typedef str_conv<char> sc;
41
42  const sc::byte_string berr = "invalid wide string";
43  const sc::wide_string werr = u8"invalid byte string";
44
45  sc c(berr, werr);
46  string input = "Stop";
47  input += char(0xFF);
48  string woutput = c.from_bytes(input);
49  VERIFY( input == woutput ); // noconv case doesn't detect invalid input
50  string winput = u8"Stop";
51  winput += char(0xFF);
52  string output = c.to_bytes(winput);
53  VERIFY( winput == output ); // noconv case doesn't detect invalid input
54}
55
56void test02()
57{
58  typedef str_conv<char16_t> sc;
59
60  const sc::byte_string berr = "invalid wide string";
61  const sc::wide_string werr = u"invalid byte string";
62
63  sc c(berr, werr);
64  string input = "Stop";
65  input += char(0xFF);
66  u16string woutput = c.from_bytes(input);
67  VERIFY( werr == woutput );
68  u16string winput = u"Stop";
69  winput += char16_t(0xDC00);
70  string output = c.to_bytes(winput);
71  VERIFY( berr == output );
72}
73
74void test03()
75{
76  typedef str_conv<char32_t> sc;
77
78  const sc::byte_string berr = "invalid wide string";
79  const sc::wide_string werr = U"invalid byte string";
80
81  sc c(berr, werr);
82  string input = "Halt";
83  input += char(0xff);
84  u32string woutput = c.from_bytes(input);
85  VERIFY( werr == woutput );
86  u32string winput = U"Halt";
87  winput += char32_t(-1);
88  string output = c.to_bytes(winput);
89  VERIFY( berr == output );
90}
91
92int main()
93{
94  test01();
95  test02();
96  test03();
97}
98